Mutations

Mutations

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What organelle is DNA usually found in?

Back

Nucleus

2.

FLASHCARD QUESTION

Front

What occurs during a substitution mutation?

Back

A base pair is replaced with a different base pair.

3.

FLASHCARD QUESTION

Front

What occurs during a deletion mutation?

Back

A base pair is missing from the DNA strand.

4.

FLASHCARD QUESTION

Front

What type of mutation is represented by the change from T-G-A-C-C-A to T-G-A-G-C-A?

Back

Substitution.

5.

FLASHCARD QUESTION

Front

Why are insertion and deletion (frameshift) mutations so harmful?

Back

They change all of the codons from the mutation on down the line, which changes the amino acid sequence.

6.

FLASHCARD QUESTION

Front

Define mutation.

Back

A mutation is a change in the DNA sequence that can lead to changes in the structure and function of proteins.

7.

FLASHCARD QUESTION

Front

What is a frameshift mutation?

Back

A mutation that occurs when base pairs are inserted or deleted from the DNA sequence, altering the reading frame.

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